Figure 4
From: Gender differences in spinal mobility during postural changes: a detailed analysis using upright CT
Representative Cases of the Change of Foramen by Posture in the Young Subjects. (A) The L4/5 foramen of 32-year-old male during standing. (B) The L4/5 foramen of 32-year-old male during sitting. (C) The L4/5 foramen of 38-year-old female during standing, (D) The L4/5 foramen of 38-year-old female during sitting. A significant change of BBA was observed in a female patient when transitioning to a sitting position.
